CN104284925A - Films containing foamable inks or coatings and process for separating similar density materials - Google Patents

Films containing foamable inks or coatings and process for separating similar density materials Download PDF

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Publication number
CN104284925A
CN104284925A CN201380024030.XA CN201380024030A CN104284925A CN 104284925 A CN104284925 A CN 104284925A CN 201380024030 A CN201380024030 A CN 201380024030A CN 104284925 A CN104284925 A CN 104284925A
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CN
China
Prior art keywords
ink
coating composition
film
polymeric substrate
substrate layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201380024030.XA
Other languages
Chinese (zh)
Other versions
CN104284925B (en
Inventor
M.D.谢尔比
F.W.威廉斯
J.E.G.鲍威尔
S.E.乔治
J.S.豪厄尔
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Eastman Chemical Co
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Eastman Chemical Co
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Filing date
Publication date
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Publication of CN104284925A publication Critical patent/CN104284925A/en
Application granted granted Critical
Publication of CN104284925B publication Critical patent/CN104284925B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0842—Sheets or tubes applied around the bottle with or without subsequent folding operations
    • B65D23/0878—Shrunk on the bottle
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/23—Azo-compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—Synthetic resin or polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon

Abstract

The present invention is directed to films that are deposited with foamable inks or coatings. One purpose is to facilitate their separation for recycling purposes. The films are particularly useful as packaging labels. The inks/coatings are designed so that foaming is activated when the film is in the hot-wash stage of a typical recycle process. This provides added buoyancy to the film allowing it to float to the surface and be removed, thereby significantly improving the efficiency of the recycle process. A feature of the invention is that, prior to this hot wash, the inks/coatings remain substantially unfoamed and thereby do not negatively affect the aesthetics of labeled package. The foamable inks/coatings can be used with any type of film.

Description

Containing can the film of foam ink or coating and the method for material being separated similar density
Invention field
The present invention relates generally to the field of film and partition method, particularly polymeric film and the method being separated the material with similar density.
background of invention
Most of business recycling process of polyethylene terephthalate (PET) container require remove completely and be separated any label to make minimize contamination and to provide high-quality recirculation sheet stock.This is because ink in label and label itself (if being made up of non-polyester material) have negative impact to PET and can cause muddiness and variable color.
For partially or completely realize the common methods of this separation be aqueous-based cleaning bath in this material impose " sink-float " separation.For the traditional non-constricted label be made up of polypropylene, this method effect is fine, because polypropylene has the density that is less than 1 gram/cc and floats on bath face, can be removed at this.On the contrary, PET component has the density of 1.33 to 1.35 grams/cc and will sink to bottom, easily collects this its.
But the day by day universal of thermal contractive label (or shrink label) brings complicated problem.Shrink label usually has the density that is greater than 1.0 grams/cc and tends to sink together with PET sheet stock.No matter this label is made up of copolyesters, polystyrene, poly-(lactic acid) (PLA) or poly-(vinylchlorid) (PVC), is not always the case.Because these labels and their printing-ink keep mixing with PET at bottom land, they pollute PET and may cause muddiness/color problem.Although some shrink-down materials, as compatible with PET in copolyesters and be accepted (as long as ink contamination is minimized) with low levels, but some label papers (label stock) (such as polystyrene and PVC) can cause other problems when reprocessing PET sheet stock subsequently.Such as, under PET processing temperature, due to release hydrochloric acid, PVC pollutes and tends to heavy corrosion extruder barrel.
On the market some solutions are had to this problem, comprise micropore shrinkable film and pre-frothing label.These methods reduce the density of label paper, make it more easily be separated, but also make label opaque.For some purposes, this opacity is acceptable (or even desirable), but for many packagings, brand business wants transparent or semitransparent label paper to show their product better.In addition, when pre-frothing label, the coarse character on this surface is considered, also very difficult " noticeable " figure printing on these labels and any kind is provided.
Because the shrink label of wide region on (a) market, (b) are difficult to quick identification tag type and (c) by the serious adverse potentiality of PVC and so on material contamination at recirculation device, most of recirculation device business simply selects to abandon the bottle of all use shrink labels but not attempts recycled PET sheet stock.Even if some shrink labels tend to cause serious problems to recirculation device business, but other have more destructive label paper, and may to enter the risk of this system too high.Therefore, a large amount of high-quality PET sheet stock is sent to refuse landfill, although in fact it can be recovered.
Therefore, need to be suitable as packaging label or wrapping material and can easily be separated with PET sheet stock and the film making this based packaging material welcome aesthetic like this can not adversely be affected.Also needing can easily by method that this film is separated with PET sheet stock.Ideally, this solution is applicable to all types of thin-film material, no longer needs worry to be separated by the thin-film material of acceptable thin-film material with difference to make recirculation device business.
The present invention is devoted to solve these to be needed and other needs apparent from following description and claims.In one embodiment, the present invention solves the problem of recirculation device business by being used in the ink/coating foamed in the process of recirculation sheet stock washing step on packaging label or wrapping material.
summary of the invention
The present invention is as described in claims.
Therefore, on the one hand, the invention provides film.This film comprises (a) at least one polymeric substrate layers and (b) and is deposited at least one ink in described polymeric substrate layers or coating composition.This ink or coating composition comprise at least one chemical foaming agent.
In one embodiment, the amount of floating in described liquid when this ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists.
In one embodiment, the amount of floating in described liquid when this ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and just generation when the basic until described film of the activation of chemical foaming agent arrives recirculation washing process.
In one embodiment, before this film arrives process recycling, the activation of chemical foaming agent is not more than 25% or 20% or 15% or 10% or 5%.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And
Wherein said polymeric substrate layers is 10 to 200 micron thickness.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein
。
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists, and wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition,
Comprise before wherein said ink or coating composition are deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition,
Comprise before wherein said ink or coating composition are deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; And
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid.
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying; And
Wherein said chemical foaming agent be selected from carbonate, supercarbonate or carboxylic acid and
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness; Carbonate, supercarbonate or carboxylic acid is selected from wherein said chemical foaming agent; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition,
Comprise before wherein said ink or coating composition are deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists; And wherein
。
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 1 to 10 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent; And
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 0.1 to 50 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 1 to 30 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, the present invention relates to film, it comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition;
Wherein said ink or coating composition comprise at least one chemical foaming agent;
Wherein said ink or coating composition described thickness is on the membrane 3 to 20 micron thickness when drying;
Wherein said polymeric substrate layers is 10 to 200 micron thickness;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid; And
Wherein
。
In one embodiment, film of the present invention comprises:
(a) at least one polymeric substrate layers, it comprises at least one polymkeric substance being selected from polyester, copolyesters, polystyrene, polyolefine or gathering (vinylchlorid); With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise before being deposited on film account for described ink or coating composition 0.1 to 50 % by weight at least one chemical foaming agent of amount;
Wherein said chemical foaming agent is selected from carbonate, supercarbonate or carboxylic acid;
The amount of floating in described liquid when wherein said ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists; And wherein
。
In one embodiment, design chemical foaming agent and coating until just occur when label arrives process recycling, seem not foam with perceptual image label to make this label to make foaming basic in packaging and human consumer's use procedure.
On the other hand, the invention provides the method manufacturing film.Described method comprises:
A () provides at least one polymeric substrate layers; With
B () deposits at least one ink or coating composition in described polymeric substrate layers.
This ink or coating composition comprise at least one chemical foaming agent.The amount of floating in described liquid when this ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists.Design whipping agent and coating until just occur when label arrives process recycling, seem not foam with perceptual image label to make this label to make foaming basic in packaging and human consumer's use procedure.
In one embodiment, this polymeric substrate layers is selected from PET(polyethylene terephthalate) or the PET of PETG(glycol modification).For the PET of glycol modification, CHDM(1, 4-cyclohexanedimethanol) can with 1 to 50 % by mole, or 1 to 45 % by mole, or 1 to 40 % by mole, or 1 to 35 % by mole, 1 to 30 % by mole, or 5 to 50 % by mole, or 10 to 50 % by mole, or 10 to 45 % by mole, or 10 to 40 % by mole, or 10 to 35 % by mole, or 10 to 25 % by mole, or 10 to 20 % by mole, or 15 to 50 % by mole, or 15 to 45 % by mole, or 15 to 40 % by mole, or 15 to 35 % by mole, or 15 to 30 % by mole, or 20 to 50 % by mole, or 20 to 45 % by mole, or 20 to 40 % by mole, or 20 to 35 % by mole, or 25 to 50 % by mole, or 25 to 45 % by mole, or the amount of 25 to 40 % by mole exists, or the PET of other glycol modification any as known in the art.
Again on the one hand, the invention provides the method using sink and float method to be separated the bi-material with the density being greater than 1000 kilograms per cubic meter at standard temperature and pressure.The method comprises:
A at least one is comprised the ink of at least one chemical foaming agent or coating composition to be enough to make the amount that this material floats in water-based parting liquid when chemical foaming agent activates be deposited on one of this bi-material by ();
B () makes this bi-material contact with water-based parting liquid under the condition of chemical foaming agent described in effective activation;
C surface that () makes that material with described ink or coating composition float to water-based parting liquid make another material sink; With
(d) from the surface collection of water-based parting liquid have described ink or coating composition that material or from another material of bottom collection of water-based parting liquid or both.
detailed Description Of The Invention
Find surprisingly, can foam ink or coating by using on label or wrapping material, the problem relevant with wrapping material to being separated packaging label from recyclable container can be solved.One of the present invention is characterised in that these ink and coating can be designed to time-delay reaction/activation.Such as, can be prepared them to make them until just there is significantly foaming when arriving the hot caustic scrubbing step of sheet stock recirculating process.Now, foaming is designed to these label/wrapping material provides buoyancy with the top making it float to rinse bath, can be removed at this.Due to foaming effect minimum (if any) before process recycling, these label/wrapping material seem with currently marketed similar, and can not adversely affect aesthetic property.
Therefore, first aspect, the invention provides the film being suitable as packaging label or wrapping material.This film comprises (a) at least one polymeric substrate layers and (b) and is deposited at least one ink in described polymeric substrate layers or coating composition.This ink or coating composition comprise at least one chemical foaming agent.
The amount of floating in described liquid when this ink or coating composition are to be enough to make the film that sinks in its liquid of submergence when there is not described ink or coating composition in described chemical foaming agent activation exists.
In one embodiment, before the chemical foaming agent activation in the film of the density of this film, be greater than the density of recirculation washings, after the chemical foaming agent activation in the film of its density, be less than the density of recirculation washings.
Term " substrate " in phrase " polymeric substrate layers " uses in the broadest sense.This term is not intended to imply the relative position of this polymer layer in the membrane structure itself can with more than one layer.Therefore, according to the present invention, this polymeric substrate layers can be the upper layer of middle layer in film or film.Any method of masurement measuring density known to persons of ordinary skill in the art can be passed through.In one embodiment of the invention, by using Graded Density post measuring density at 23 DEG C.
Similarly, wording " be deposited on ... on " in term " on " use in the broadest sense, and not necessarily require this ink/coating composition and polymeric substrate layers physical contact.Such as, at this ink/ink/coating absorption layer may be there is between coating composition and polymeric substrate layers.According to required character, this film itself may contain many extra plays, as protective layer, bonding coat, reflection layer, waterproof (flood-coat) layer etc.
In some embodiments, following formula is met when film of the present invention is in thermal contraction to bottle:
。
Term " initial density " refers to the density of non-shrinkable film.
Term " bottle upper density " refer to this film shrink on bottle after density.
Term " thermal contraction density " is the density of film in the hot water of 90 DEG C after 1 minute.
In other embodiments, the variable density per-cent < 10% of total film, is less than 5% or be less than 1%.
In one embodiment, should to be sunk in the cold water of 23 DEG C to the label (before recirculation) that the film of the present invention on bottle is made by thermal contraction and should float in the hot water of 90 DEG C.
In one embodiment, there is the density reduction of at least 0.05 g/cc in film of the present invention in the recirculation washing process of 85 DEG C to 90 DEG C.
The thickness of film of the present invention can depend on required end-use and become.Usually, for label or packaging purposes, the thickness of this film can 10 to 200 microns, 20 to 80 microns or even 30 to 60 microns of changes.
The formation of the polymeric substrate layers in film of the present invention can also depend on required certain thin films character and become.Typical polymeric substrates layer material comprises polyester, copolyesters, polystyrene, polyolefine and gathers (vinylchlorid).The example of Mylar material comprises poly-(ethylene glycol terephthalate) and poly-(lactic acid).The example of copolyester film material comprises the polyethylene terephthalate (PETG) of glycol modification.The example of polyethylene film material comprises styrene-butadiene-styrene (SBS) segmented copolymer.The example of polyolefin film materials comprises polyethylene and polypropylene.
In one embodiment, this polymeric substrate layers is heat-shrinkable film.
The type of ink used in the present invention or coating composition is not limited.Traditional ink and coating composition can be used, if pigment and dyestuff are to provide shades of colour, tone and colourity.Also can use as other conventional components in normal ink/coating formulation, as adhesive resin, siccative, solvent, wax, tensio-active agent, lubricant, antioxidant etc.
Although not requirement, when this film is used for thermal contraction purposes, wish, in this ink/coating composition, there is a certain amount of flexibility.This plays two effects.First, it contributes to this ink/coating tolerance contraction process and does not scale off.Secondly, more flexible ink/coating allows the air bubble growth in foaming process.If this ink/dope layer is too hard, bubble is difficult to expand and provide buoyancy.Therefore, the state of cure (or flexible) of the softening temperature of adhesive resin and this ink/coating optimizes the process control the factor of when (with at what temperature) buoyancy apparition thus of foaming/float.
The number of plies or chemical foaming agent are not limited relative to the position of each layer.Such as, for ease of printing, may wish to apply this coating in multiple steps.In another example, may wish to contain the layer of chemical foaming agent to guarantee to form great foam cell with the flexible top coat encapsulating not containing whipping agent.
Any amount of chemical foaming agent can be used in the present invention, as long as this molecule reacts and discharges gas within the scope of designated environment.Suitable chemical foaming agent comprises carbonate, supercarbonate, carboxylic acid (such as citric acid, polycarboxylic acid), azo-compound (such as Cellmic C 121), isocyanate, persulphate (such as Potassium Persulphate), superoxide and combination thereof.Preferred chemical foaming agent is carbonate, supercarbonate and carboxylic acid, because these are cheap and can be designed to the common nontoxic chemical foaming agent of foaming/activation in hot rinse bath.The use of saleratus or sodium bicarbonate also belongs to this class.
Under being exposed to heat, acid, alkali or its combination by making film of the present invention, chemical foaming agent is activated to discharge gas.In one embodiment, by making chemical foaming agent activate under being exposed to the heat from water-bath.This water-bath preferably has the temperature of 85 DEG C to 95 DEG C.In another embodiment, by making chemical foaming agent activate under exposing alkali in a water bath.This water-bath preferably comprises 1 to 3 % by weight alkali (such as sodium hydroxide).In still another embodiment, by be exposed to heat and alkali under and chemical foaming agent is activated.This heat and alkali preferably provide in a water bath.This water-bath can have the temperature of 85 DEG C to 95 DEG C and the alkali of 1 to 3 % by weight.This water-bath can contain other compositions various conventional in sheet stock recirculation washing step, as tensio-active agent and washing composition.
Chemical foaming agent for plastics is usually directed to use nucleator to improve the denseness of foam.These are inessential to the present invention, if but need to use.The composition of typical foaming concentrate is usually containing nucleator (or this component/by product is used for making foam cell nucleation).
Chemical foaming agent can be pre-dispersed in ink/coating formulation to provide and maybe can be incorporated to separately with printing press.May must make ink/coating formulation and necessarily changing with the dispersion optimizing chemical foaming agent, but usually can by chemical foaming agent simple agitation in existing ink/coating formulation.The size of this chemical foaming agent and denseness also may affect the size of the bubble of formation and can be further used for Optimal performance.
Second aspect, the invention provides the method manufacturing film of the present invention.The method comprises that provide at least one polymeric substrate layers as above and deposit in described polymeric substrate layers as above can foam ink or coating composition.
Any printing technology can be used this can be applied in polymeric substrate layers by foam ink/coating composition.Most common methods for shrink label comprises intaglio printing and flexographic printing, but also can use the applying undertaken by lithography, towbar, silk screen printing etc.Market has for the foamed intaglio printing base oil ink at some substrate (such as Masonite) upper manufacture texture.
This ink/coating composition can be applied in whole polymeric substrate layers or with pattern or subregion and apply.For transparent (otherwise printing) region of stratum basale, may wish not apply any can foamed coating, if particularly this stratum basale is compatible with PET sheet stock (if such as this stratum basale is made up of copolyesters shrinkable film).Or, can apply transparent or connect diaphanous can foamed coating.The thickness of foam ink/coating is the factor determining gross buoyancy, and the chemical foaming agent concentration in this layer is also a factor.In one embodiment, ink/coating composition of the present invention contains the chemical foaming agent of 0.1 to 50 % by weight.In another embodiment, this ink/coating composition contains the chemical foaming agent of 1 to 10 % by weight.
Similarly, may wish can foaming layer with the applying of the array format of grid, line or point on film.This is desirable especially to the film that shrinking percentage is high, because label can occur greatly to shrink effectively close a large amount of gap in recirculation washing process.In Printing Zone, leaving space also has the benefit of the minimise stress made in coating, contributes to the sheet alleviated in washing process thus and strips off and peel off.
As shown, film of the present invention can be used as packaging label or wrapping material especially.In one embodiment, this film is label.The example of label comprises stretching label, shrink label, stretching/shrink label, in-mold labels, adhesive label (tack labels), package label and temperature-sensitive adhesive label.Shrink label can be that sleeve pipe or reel apply form (such as machine-direction oriented label).
Manufacture for most of conventional labels, in polymeric substrate layers, the required figure of printing, then applies waterproof layer usually.This foam ink/coating composition can be incorporated in any one of these regions or as independent independent stratum.Also can only in some region of stratum basale, in multiple layer or in specific pattern, apply this foam ink/coating.
As mentioned above, this foam ink/coating composition should activate and preferably not activate before during the hot caustic wash section of recirculating process.Recirculation is usually directed to many steps, and these steps can become with each recovery system.The most usual, wetting or in dry method, bottle and label are being milled to sheet stock.In dry method, usually make sheet material mixture through air elutriation technique to blow the lighter label material of some aerated densityes off, and wet-milling also comprises heavy/floating step.Most of recirculating process has plenty of one or more wet elutriation step altogether, and wherein label washs and heavy/floating separation occurs in the caustic solution of 85 DEG C to 95 DEG C.Caustic alkali content in water is generally 1 to 3 % by weight and contributes to cleaning sheet stock, and hot water also contributes to removing any hotmelt that may still be attached on PET sheet stock.Should activate in the process of this step of the present invention can foam ink/coating composition.Can by hot water, caustic alkali or both cause activation, therefore can consider various foaming chemical.The residence time of sheet stock in this washing process not etc., but is not generally 5 seconds to 15 minutes, therefore foaming should occur in this time range and be separated.
Also wish this ink/coating composition can not on this label shrinks to bottle or container time foam too early.Shrinking tunnel uses steam, warm air or Infrared Heating according to the type of shrink label usually.If do not affect the visual appearance of label, the certain foaming of tolerable (in some cases little by little foaming or even desirable).Due to the time in shrinking tunnel so short (about 5 seconds) and printing ink on the internal surface or second surface (i.e. side between shrinkable film and bottle) of label, too early foaming is avoided in enough heat insulation so that by chemical foaming agent suitable selection.Therefore, this foaming preferably needs activate for 5 seconds to 15 minutes.
Finally, above-mentioned recirculating process mainly for but be not limited to PET recirculation.The recirculation of PET sheet stock is the debatable most common art of shrinkable film, but also there are other wrapping material.Can very contribute to modification and recovery efficiency by buoyancy in one of Selective activation polycomponent goods or another component.
Therefore, the third aspect, the invention provides the method using sink and float method to be separated the bi-material with the density being greater than 1000 kilograms per cubic meter at standard temperature and pressure.The method comprises:
A at least one is comprised the ink of at least one chemical foaming agent or coating composition to be enough to make the amount that this material floats in water-based parting liquid when chemical foaming agent activates be deposited on one of this bi-material by ();
B () makes this bi-material contact with water-based parting liquid under the condition of chemical foaming agent described in effective activation;
C surface that () makes that material with described ink or coating composition float to water-based parting liquid make another material sink; With
(d) from the surface collection of water-based parting liquid have described ink or coating composition that material or from another material of bottom collection of water-based parting liquid or both.
Partition method of the present invention is particularly useful for the PET recirculation industry be separated with PET sheet stock by shrink label.Therefore, in one embodiment, that material that deposited described ink/coating composition comprises heat-shrinkable film label, those as being made up of PETG, PLA and PVC.Another material comprises container, as PET bottle and packaging.
The step (a) of this partition method can as above carrying out of describing of system of Federation of Literary and Art Circles thin film manufacturing method like that.
Before the step (b) or period optionally by the chopping of this bi-material or be milled to more small shreds to be easy to be separated.
This water-based parting liquid contains water.It can containing other composition to accelerate the activation of chemical foaming agent and/or to promote recirculating process, as alkali, tensio-active agent and washing composition.This parting liquid preferably has the temperature of 85 DEG C to 95 DEG C and the alkali of 1 to 3 % by weight.
Contact procedure (b) preferably carries out activating to make chemical foaming agent for 5 seconds to 15 minutes.
Once activation, the material with described ink/coating composition rises to the surface of parting liquid, and the bottom of parting liquid stayed by another material.Term " surface " refers to the top of parting liquid in this context, and term " bottom (bottom) " refers to the bottom (bottom portion) of parting liquid.
Once be separated, can from the surface collection of parting liquid have described ink/coating composition material or can from another material of the bottom collection of parting liquid or both.
Unless clearly indicated separately in context, indefinite article used herein " a " and " an " refer to one or more.Similarly, unless clearly indicated separately in literary composition, the singulative of noun comprises their plural form, and vice versa.
The further example the present invention of the following example can be passed through, although it should be understood that these embodiments are only not intended to for illustrating limit the scope of the invention.Differently imply unless otherwise specified or in context, all percentages.
Embodiment
comparative example 1
conventional shrink label
Obtain Embrace copolyesters shrink label (can available from Eastman Chemical Co, Kingsport, TN) for test with as contrast.This copolyesters has the nominal density of 1.30 g/cc, and the commercial gravure printing of this label.This label is cut into little square and be placed in be set in 90 DEG C hot water bath to simulate sheet stock washing process.This label sinks fast and stays bottom water-bath.
comparative example 2
there is the shrink label of additional non-foamed ink layer
Use RDS #03 towbar with comparative example 1(CE1) in identical label be coated with Protech SH White printing-ink thin layer and make it dry.This label is cut into little square and is placed in the hot water bath of 90 DEG C.As CE1, this label to sink to fast bottom water-bath and stays there.
embodiment 1
use the foam ink of chemical foaming masterbatch
Use the program identical with comparative example 2, just 10 % by weight chemical foaming masterbatch (Reedy Safoam, ISO# A2153US) are added in white ink layer.To this masterbatch machinery of carbonate and polycarboxylic acid be used to be mixed in Protech White ink by stirring.RDS #03 towbar is used will the thin-layer coating of this mixture to shrinkable film to make it dry.The little square of this printing film is immersed in the hot water bath of 90 DEG C.This label sinks to bottom water-bath at first, but in about 10 to 30 seconds, significantly foaming occurs and this label floating portion that returns back to top fast, and stay herein.Remove label after a while and confirm foaming via optical microscopy.
embodiment 2
use the foam ink of commercial process paint (Craft Paint)
In this embodiment, commercially available texture process paint is applied on film in the same manner as in Example 1.The shallow layer using RDS #03 towbar yellow Tulip board Puffy paint (can available from Duncan Enterprises, Fresno CA) is applied on this film, then makes its drying.This texture paint is generally used for furnishing fabric, activates foaming through hot steam flatiron.
After the drying, use cyanoacrylate glue to join in pipe by this label, then use steamer to be retracted on bottle.The residence time in steamer is about 10 seconds, and this label does not have significantly foaming (i.e. the % variable density <1% of film) too early.In side by side relatively, this foam ink has quality like (non-foamed) labels class of applying with business.
Then film fragment cut into pieces and be placed in the hot water bath of 90 DEG C.This sheet stock sinks to bath bottom at first, but starts foaming subsequently, (all floats in 30 seconds) on most of sheet stock floated on the surface in about 10 to 15 seconds.Optical microscopy alleged occurrence foam, although have than abscess-size (most probable is due to the better dispersion of whipping agent) less in embodiment 1.
Describe the present invention in detail with particular reference to its preferred embodiment, but it being understood that can implement within the spirit and scope of the present invention variation and amendment.

Claims (20)

1. a film, it comprises:
(a) at least one polymeric substrate layers; With
B () is deposited at least one ink in described polymeric substrate layers or coating composition, wherein said ink or coating composition comprise at least one chemical foaming agent.
2. film according to claim 1, wherein said film sinks in its liquid of submergence when there is not described ink or coating composition, and
Wherein said ink or coating composition exist with the amount being enough to make described film float in described liquid when described chemical foaming agent activates.
3., according to the film of claim 1 or 2, the activation of wherein said whipping agent is basic until just occur when described film arrives recirculation washing process.
4. film according to claim 3, wherein before described film arrives recirculation washing process, the activation of described whipping agent is not more than 10%.
5. film according to claim 3, wherein before described film arrives recirculation washing process, the activation of described whipping agent is not more than 5%.
6., according to the film of claim 1 or 2, wherein before deposition on the membrane, described chemical foaming agent accounts for 0.1 to 50 % by weight of described ink or coating composition.
7. film according to claim 6, wherein before deposition on the membrane, described chemical foaming agent accounts for 1 to 10 % by weight of described ink or coating composition.
8. film according to claim 6, wherein said ink or coating thickness is on the membrane 0.1 to 50 micron thickness when drying.
9. film according to claim 6, wherein said ink or coating thickness is on the membrane 1 to 30 micron thickness when drying.
10. film according to claim 6, wherein said ink or coating thickness is on the membrane 3 to 20 micron thickness when drying.
11. according to the film of claim 1 or 8, and the thickness of wherein said polymeric substrate layers is 10 to 200 micron thickness.
12. films according to claim 1, wherein make described chemical foaming agent activate down by being exposed to heat, acid, alkali or its combination.
13. films according to claim 12, wherein said heat is provided by water-bath.
14. films according to claim 13, wherein said water-bath has the temperature of 85 DEG C to 95 DEG C.
15. films according to claim 14, wherein said water-bath comprises 1 to 3 % by weight alkali.
16. films according to claim 12, wherein by be exposed to comprise 1 to 3 % by weight alkali water-bath in and described chemical foaming agent is activated.
, wherein within 5 seconds, there is described activation to 15 minutes after exposure in 17. films according to claim 12.
18. films according to claim 1, wherein said chemical foaming agent is carbonate, supercarbonate, carboxylic acid, azo-compound, isocyanate, persulphate, superoxide or its combination.
19. films according to claim 1, wherein said chemical foaming agent is carbonate, supercarbonate, carboxylic acid or its combination.
20. films according to claim 1, its thermal contraction on bottle, wherein
。
CN201380024030.XA 2012-05-07 2013-05-07 Films containing foamable inks or coatings and process for separating similar density materials Expired - Fee Related CN104284925B (en)

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